Home / 193,160.20-289,740.30-165,512.20

Finding the Fourth Proportional to 193,160.20, 289,740.30 and 165,512.20

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Solution

The fourth proportional to 193,160.20, 289,740.30 and 165,512.20 is: 248,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,160.20 : 289,740.30 = 165,512.20 : x
  2. Step 2: Convert to fraction form
    193,160.20/289,740.30 = 165,512.20/x
  3. Step 3: Cross multiply
    193,160.20x = 289,740.30 × 165,512.20
  4. Step 4: Simplify right side
    193,160.20x = 47,955,554,481.66
  5. Step 5: Solve for x
    x = 47,955,554,481.66/193,160.20
  6. Step 6: Final answer
    x = 248,268.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.